Table 1.
Sintering techniques for preparation of cermets.
| Composition (wt.%) | Sintering Techniques | Hardness Vickers | Mean Grain Size µm | Ref |
|---|---|---|---|---|
| Cr3C2-25NiCr (wt.%) WC-20Cr3C2-7Ni (wt.%). |
Electric Resistance Sintering (ERS) | 1060 ± 42 1110 ± 30 (HV30) |
- | [39] |
| WC6Co | ERS | 1960 ± 15 | - | [40] |
| Sinter-HIP | 1860 ± 15 | |||
| ERS | 1750 ± 20 | |||
| WC10Co | Sinter-HIP | 1620 ± 15 (HV30) | ||
| (Hf, Ta, Nb, Ti, V)C (Ta, Nb, Ti, V, W)C |
Sinter-HIP Vacuum SPS Sinter-HIP Vacuum SPS |
2437 ± 47 2573 ± 86 2569 ± 56 1873 ± 80 2217 ± 40 2021 ± 56 (HV0.5) |
2.59 ± 0.16 3.46 ± 0.18 5.62 ± 0.38 15.2 ± 0.82 33.7 ± 1.80 31.2 ± 1.81 |
[41] |
| WC-Co (Ultrafine WC) | SPS | 1836 (HV30) |
0.28 | [42] |
| ZrC-20%Mo | SPS | 2231 (HV10) |
1–2 | [47] |
| Ti(C,N)-TiB2-WCTaC-Co | Hot pressing sintering | 2052 (HV10) |
[60] | |
| TiC-TiB2-Ni(52.5/17.5/30 vol.%). | HIP | 1950 (HV50) |
[61] | |
| WC-Co (9–10 wt.% Co) WC-7 wt.% Co, 0.3wt.% CNT |
SPS SPS |
- 2450 (HV30) |
0.4–0.8 | [62] |
| WCoB | SPS | 1262 (HV30) |
- | [63] |
| WCoB-9.356wt.%Cr | SPS | 1751 (HV0.5) |
- | [63] |
| cBN-WC-Co | SPS | 2170 (HV30) |
- | [64] |
| WC–5Co–2Cr3C2 WC–5Co–2TaC |
SPS SPS |
2105 ± 38 1725 ± 15 (HV30) |
[65] | |
| WC-Ni-ZrO2 | HIP | 1600 (HV10) |
3–5 | [66] |
| WC–12Co-1%Cr3C2 WC–12Co |
SPS HP |
1872 1668 (HV30) |
- | [67] |
| (Ti(C,N))–WC–Mo–Ni/Ni + Co–C | Vacuum sintering | 1756 ± 52 (HV100) |
0.64 ± 0.3 | [68] |
| Ti(C,N)/Mo-Co-Ni/CaF2@Al2O3 | Vacuum sintering | 2440 (HV30) |
[69] | |
| (NbC-15 vol.% Mo)-12 vol.% Ni | Vacuum sintering | 1466 (HV30) |
[70] | |
| T70/FeCr20Mn20 | Vacuum sintering | 1450 (HV30) |
[71] | |
| WC–7.5 wt.% NanoCo | SPS | 1925 (HV30) |
1–5 | [72] |
| WC-12Co-1VC | SPS | 2000 (HV30) |
- | [73] |
| WC-11 Co, 0.5 wt.%VC | HIP | 1902 (HV30) |
- | [74] |
| WC–4.5CO–2Cr–5Ni | SPS | 2000 (HV30) |
[75] | |
| WC-Co-9wt.%YSZ | SPS | 1520 (HV30) |
[76] |